Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"shan lu ming snippets" » "shan li ming snippets", "nhan luc ming snippets", "than luc ming snippets", "shan liu ming snippets", "shan lu minh snippets", "shan qu ming snippets", "shan lu ming slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("shan lu ming snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("shan lu ming snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( shan lu ming snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("shan lu ming snippets"))) or ("locating bug code snippets"))*.